Measurements:
°C
°F
Marquette
6°F
NE 16 mph
Feels like: -14°F
Precip: 100%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+40.4°F
Maximum Sea Water Temperature in December: 44.8°F
Minimum Sea Water Temperature in December: 32.6°F
Average water temperature in December: 38.2°F

Sea Water Temperature for the Last 10 Days:

December 05 40.4°F November 30 42.2°F
December 04 41.2°F November 29 42.6°F
December 03 41.8°F November 28 42.8°F
December 02 41.8°F November 27 43.2°F
December 01 42.2°F November 26 43.6°F

When is the Warmest Sea for Marquette?

According to our data for the last three years for Marquette the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Marquette was 67.7°F. The maximum and minimum values were 64.0°F and 71.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Marquette was 63.0°F. The maximum and minimum values were 59.4°F and 65.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Marquette was 62.0°F. The maximum and minimum values were 51.2°F and 70.2°F respectively.

Best Time to Visit Marquette
The most sunny months:
July 14 days
September 13 days
August 13 days
The most warm months:
August 72.8 °F
July 72.1 °F
September 67.2 °F
Warmest sea temperature:
August 67.8 °F
September 63.6 °F
July 61.9 °F
The most cold months:
January 20.1 °F
February 20.2 °F
December 27.1 °F
The most rainy months:
August 3 days
June 2 days
April 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph

Marquette on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Marquette
Local time: 02:59
05 dec, friday
0300 6°F
NE
16 mph
0600 8°F
NE
11 mph
0900 8°F
NE
7 mph
1200 16°F
NE
9 mph
1500 20°F
NE
8 mph
1800 18°F
NE
6 mph
2100 18°F
NE
7 mph
06 dec, saturday
0000 20°F
E
10 mph